Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6e888f7084d28f4c353f49a87e3f768c74bf87bb300bd3e589d00bc58e283215:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^